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root/jsr166/jsr166/src/test/tck/ThreadPoolExecutorTest.java

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs.
Revision 1.99 by jsr166, Mon Oct 5 20:45:41 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import java.util.concurrent.*;
10	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14		import java.util.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+	import java.util.concurrent.atomic.AtomicInteger;
33	+
34	+	import junit.framework.Test;
35	+	import junit.framework.TestSuite;
36
37		public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
44	>
45	>	static class ExtendedTPE extends ThreadPoolExecutor {
46	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50	>	public ExtendedTPE() {
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52	>	}
53	>	protected void beforeExecute(Thread t, Runnable r) {
54	>	beforeCalled.countDown();
55	>	}
56	>	protected void afterExecute(Runnable r, Throwable t) {
57	>	afterCalled.countDown();
58	>	}
59	>	protected void terminated() {
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78	>	return new Thread(r);
79	>	}
80	>	}
81	>
82		/**
83	<	* For use as ThreadFactory in constructors
83	>	* execute successfully executes a runnable
84		*/
85	<	static class MyThreadFactory implements ThreadFactory{
86	<	public Thread newThread(Runnable r){
87	<	return new Thread(r);
88	<	}
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	try (PoolCleaner cleaner = cleaner(p)) {
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	final Runnable task = new CheckedRunnable() {
93	>	public void realRun() { done.countDown(); }};
94	>	p.execute(task);
95	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96	>	}
97	>	}
98	>
99	>	/**
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102	>	*/
103	>	public void testGetActiveCount() throws InterruptedException {
104	>	final ThreadPoolExecutor p =
105	>	new ThreadPoolExecutor(2, 2,
106	>	LONG_DELAY_MS, MILLISECONDS,
107	>	new ArrayBlockingQueue<Runnable>(10));
108	>	try (PoolCleaner cleaner = cleaner(p)) {
109	>	final CountDownLatch threadStarted = new CountDownLatch(1);
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	assertEquals(0, p.getActiveCount());
112	>	p.execute(new CheckedRunnable() {
113	>	public void realRun() throws InterruptedException {
114	>	threadStarted.countDown();
115	>	assertEquals(1, p.getActiveCount());
116	>	done.await();
117	>	}});
118	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
119	>	assertEquals(1, p.getActiveCount());
120	>	done.countDown();
121	>	}
122		}
123
124		/**
125	<	* For use as RejectedExecutionHandler in constructors
125	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
126		*/
127	<	static class MyREHandler implements RejectedExecutionHandler{
128	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
127	>	public void testPrestartCoreThread() {
128	>	final ThreadPoolExecutor p =
129	>	new ThreadPoolExecutor(2, 6,
130	>	LONG_DELAY_MS, MILLISECONDS,
131	>	new ArrayBlockingQueue<Runnable>(10));
132	>	try (PoolCleaner cleaner = cleaner(p)) {
133	>	assertEquals(0, p.getPoolSize());
134	>	assertTrue(p.prestartCoreThread());
135	>	assertEquals(1, p.getPoolSize());
136	>	assertTrue(p.prestartCoreThread());
137	>	assertEquals(2, p.getPoolSize());
138	>	assertFalse(p.prestartCoreThread());
139	>	assertEquals(2, p.getPoolSize());
140	>	p.setCorePoolSize(4);
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(3, p.getPoolSize());
143	>	assertTrue(p.prestartCoreThread());
144	>	assertEquals(4, p.getPoolSize());
145	>	assertFalse(p.prestartCoreThread());
146	>	assertEquals(4, p.getPoolSize());
147	>	}
148		}
149	<
149	>
150		/**
151	<	*   execute successfully executes a runnable
151	>	* prestartAllCoreThreads starts all corePoolSize threads
152		*/
153	<	public void testExecute(){
154	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
155	<	try {
156	<	one.execute(new Runnable(){
157	<	public void run(){
158	<	try{
159	<	Thread.sleep(SHORT_DELAY_MS);
160	<	} catch(InterruptedException e){
161	<	fail("unexpected exception");
162	<	}
163	<	}
164	<	});
165	<	Thread.sleep(SMALL_DELAY_MS);
166	<	} catch(InterruptedException e){
167	<	fail("unexpected exception");
168	<	}
169	<	joinPool(one);
153	>	public void testPrestartAllCoreThreads() {
154	>	final ThreadPoolExecutor p =
155	>	new ThreadPoolExecutor(2, 6,
156	>	LONG_DELAY_MS, MILLISECONDS,
157	>	new ArrayBlockingQueue<Runnable>(10));
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	assertEquals(0, p.getPoolSize());
160	>	p.prestartAllCoreThreads();
161	>	assertEquals(2, p.getPoolSize());
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(2, p.getPoolSize());
164	>	p.setCorePoolSize(4);
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(4, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(4, p.getPoolSize());
169	>	}
170	>	}
171	>
172	>	/**
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175	>	*/
176	>	public void testGetCompletedTaskCount() throws InterruptedException {
177	>	final ThreadPoolExecutor p =
178	>	new ThreadPoolExecutor(2, 2,
179	>	LONG_DELAY_MS, MILLISECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	try (PoolCleaner cleaner = cleaner(p)) {
182	>	final CountDownLatch threadStarted = new CountDownLatch(1);
183	>	final CountDownLatch threadProceed = new CountDownLatch(1);
184	>	final CountDownLatch threadDone = new CountDownLatch(1);
185	>	assertEquals(0, p.getCompletedTaskCount());
186	>	p.execute(new CheckedRunnable() {
187	>	public void realRun() throws InterruptedException {
188	>	threadStarted.countDown();
189	>	assertEquals(0, p.getCompletedTaskCount());
190	>	threadProceed.await();
191	>	threadDone.countDown();
192	>	}});
193	>	await(threadStarted);
194	>	assertEquals(0, p.getCompletedTaskCount());
195	>	threadProceed.countDown();
196	>	threadDone.await();
197	>	long startTime = System.nanoTime();
198	>	while (p.getCompletedTaskCount() != 1) {
199	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200	>	fail("timed out");
201	>	Thread.yield();
202	>	}
203	>	}
204	>	}
205	>
206	>	/**
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208	>	*/
209	>	public void testGetCorePoolSize() {
210	>	final ThreadPoolExecutor p =
211	>	new ThreadPoolExecutor(1, 1,
212	>	LONG_DELAY_MS, MILLISECONDS,
213	>	new ArrayBlockingQueue<Runnable>(10));
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215	>	assertEquals(1, p.getCorePoolSize());
216	>	}
217	>	}
218	>
219	>	/**
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221	>	*/
222	>	public void testGetKeepAliveTime() {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(2, 2,
225	>	1000, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
229	>	}
230	>	}
231	>
232	>	/**
233	>	* getThreadFactory returns factory in constructor if not set
234	>	*/
235	>	public void testGetThreadFactory() {
236	>	ThreadFactory threadFactory = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	threadFactory,
242	>	new NoOpREHandler());
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertSame(threadFactory, p.getThreadFactory());
245	>	}
246	>	}
247	>
248	>	/**
249	>	* setThreadFactory sets the thread factory returned by getThreadFactory
250	>	*/
251	>	public void testSetThreadFactory() {
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10));
256	>	try (PoolCleaner cleaner = cleaner(p)) {
257	>	ThreadFactory threadFactory = new SimpleThreadFactory();
258	>	p.setThreadFactory(threadFactory);
259	>	assertSame(threadFactory, p.getThreadFactory());
260	>	}
261	>	}
262	>
263	>	/**
264	>	* setThreadFactory(null) throws NPE
265	>	*/
266	>	public void testSetThreadFactoryNull() {
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.setThreadFactory(null);
274	>	shouldThrow();
275	>	} catch (NullPointerException success) {}
276	>	}
277	>	}
278	>
279	>	/**
280	>	* getRejectedExecutionHandler returns handler in constructor if not set
281	>	*/
282	>	public void testGetRejectedExecutionHandler() {
283	>	final RejectedExecutionHandler handler = new NoOpREHandler();
284	>	final ThreadPoolExecutor p =
285	>	new ThreadPoolExecutor(1, 2,
286	>	LONG_DELAY_MS, MILLISECONDS,
287	>	new ArrayBlockingQueue<Runnable>(10),
288	>	handler);
289	>	try (PoolCleaner cleaner = cleaner(p)) {
290	>	assertSame(handler, p.getRejectedExecutionHandler());
291	>	}
292	>	}
293	>
294	>	/**
295	>	* setRejectedExecutionHandler sets the handler returned by
296	>	* getRejectedExecutionHandler
297	>	*/
298	>	public void testSetRejectedExecutionHandler() {
299	>	final ThreadPoolExecutor p =
300	>	new ThreadPoolExecutor(1, 2,
301	>	LONG_DELAY_MS, MILLISECONDS,
302	>	new ArrayBlockingQueue<Runnable>(10));
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	RejectedExecutionHandler handler = new NoOpREHandler();
305	>	p.setRejectedExecutionHandler(handler);
306	>	assertSame(handler, p.getRejectedExecutionHandler());
307	>	}
308	>	}
309	>
310	>	/**
311	>	* setRejectedExecutionHandler(null) throws NPE
312	>	*/
313	>	public void testSetRejectedExecutionHandlerNull() {
314	>	final ThreadPoolExecutor p =
315	>	new ThreadPoolExecutor(1, 2,
316	>	LONG_DELAY_MS, MILLISECONDS,
317	>	new ArrayBlockingQueue<Runnable>(10));
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.setRejectedExecutionHandler(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323	>	}
324	>	}
325	>
326	>	/**
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329	>	*/
330	>	public void testGetLargestPoolSize() throws InterruptedException {
331	>	final int THREADS = 3;
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(THREADS, THREADS,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338	>	final CountDownLatch done = new CountDownLatch(1);
339	>	assertEquals(0, p.getLargestPoolSize());
340	>	for (int i = 0; i < THREADS; i++)
341	>	p.execute(new CheckedRunnable() {
342	>	public void realRun() throws InterruptedException {
343	>	threadsStarted.countDown();
344	>	done.await();
345	>	assertEquals(THREADS, p.getLargestPoolSize());
346	>	}});
347	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	done.countDown();   // release pool
350	>	}
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352	>	}
353	>
354	>	/**
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357	>	*/
358	>	public void testGetMaximumPoolSize() {
359	>	final ThreadPoolExecutor p =
360	>	new ThreadPoolExecutor(2, 3,
361	>	LONG_DELAY_MS, MILLISECONDS,
362	>	new ArrayBlockingQueue<Runnable>(10));
363	>	try (PoolCleaner cleaner = cleaner(p)) {
364	>	assertEquals(3, p.getMaximumPoolSize());
365	>	p.setMaximumPoolSize(5);
366	>	assertEquals(5, p.getMaximumPoolSize());
367	>	p.setMaximumPoolSize(4);
368	>	assertEquals(4, p.getMaximumPoolSize());
369	>	}
370	>	}
371	>
372	>	/**
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375	>	*/
376	>	public void testGetPoolSize() throws InterruptedException {
377	>	final ThreadPoolExecutor p =
378	>	new ThreadPoolExecutor(1, 1,
379	>	LONG_DELAY_MS, MILLISECONDS,
380	>	new ArrayBlockingQueue<Runnable>(10));
381	>	try (PoolCleaner cleaner = cleaner(p)) {
382	>	final CountDownLatch threadStarted = new CountDownLatch(1);
383	>	final CountDownLatch done = new CountDownLatch(1);
384	>	assertEquals(0, p.getPoolSize());
385	>	p.execute(new CheckedRunnable() {
386	>	public void realRun() throws InterruptedException {
387	>	threadStarted.countDown();
388	>	assertEquals(1, p.getPoolSize());
389	>	done.await();
390	>	}});
391	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
392	>	assertEquals(1, p.getPoolSize());
393	>	done.countDown();   // release pool
394	>	}
395	>	}
396	>
397	>	/**
398	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
399	>	*/
400	>	public void testGetTaskCount() throws InterruptedException {
401	>	final ThreadPoolExecutor p =
402	>	new ThreadPoolExecutor(1, 1,
403	>	LONG_DELAY_MS, MILLISECONDS,
404	>	new ArrayBlockingQueue<Runnable>(10));
405	>	try (PoolCleaner cleaner = cleaner(p)) {
406	>	final CountDownLatch threadStarted = new CountDownLatch(1);
407	>	final CountDownLatch done = new CountDownLatch(1);
408	>	assertEquals(0, p.getTaskCount());
409	>	p.execute(new CheckedRunnable() {
410	>	public void realRun() throws InterruptedException {
411	>	threadStarted.countDown();
412	>	assertEquals(1, p.getTaskCount());
413	>	done.await();
414	>	}});
415	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
416	>	assertEquals(1, p.getTaskCount());
417	>	done.countDown();
418	>	}
419	>	}
420	>
421	>	/**
422	>	* isShutdown is false before shutdown, true after
423	>	*/
424	>	public void testIsShutdown() {
425	>	final ThreadPoolExecutor p =
426	>	new ThreadPoolExecutor(1, 1,
427	>	LONG_DELAY_MS, MILLISECONDS,
428	>	new ArrayBlockingQueue<Runnable>(10));
429	>	try (PoolCleaner cleaner = cleaner(p)) {
430	>	assertFalse(p.isShutdown());
431	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
432	>	assertTrue(p.isShutdown());
433	>	}
434	>	}
435	>
436	>	/**
437	>	* awaitTermination on a non-shutdown pool times out
438	>	*/
439	>	public void testAwaitTermination_timesOut() throws InterruptedException {
440	>	final ThreadPoolExecutor p =
441	>	new ThreadPoolExecutor(1, 1,
442	>	LONG_DELAY_MS, MILLISECONDS,
443	>	new ArrayBlockingQueue<Runnable>(10));
444	>	try (PoolCleaner cleaner = cleaner(p)) {
445	>	assertFalse(p.isTerminated());
446	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
447	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
448	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
449	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
450	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
452	>	long timeoutNanos = 999999L;
453	>	long startTime = System.nanoTime();
454	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
455	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
456	>	assertFalse(p.isTerminated());
457	>	startTime = System.nanoTime();
458	>	long timeoutMillis = timeoutMillis();
459	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
460	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
461	>	assertFalse(p.isTerminated());
462	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
463	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464	>	assertTrue(p.isTerminated());
465	>	}
466	>	}
467	>
468	>	/**
469	>	* isTerminated is false before termination, true after
470	>	*/
471	>	public void testIsTerminated() throws InterruptedException {
472	>	final ThreadPoolExecutor p =
473	>	new ThreadPoolExecutor(1, 1,
474	>	LONG_DELAY_MS, MILLISECONDS,
475	>	new ArrayBlockingQueue<Runnable>(10));
476	>	try (PoolCleaner cleaner = cleaner(p)) {
477	>	final CountDownLatch threadStarted = new CountDownLatch(1);
478	>	final CountDownLatch done = new CountDownLatch(1);
479	>	assertFalse(p.isTerminating());
480	>	p.execute(new CheckedRunnable() {
481	>	public void realRun() throws InterruptedException {
482	>	assertFalse(p.isTerminating());
483	>	threadStarted.countDown();
484	>	done.await();
485	>	}});
486	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
487	>	assertFalse(p.isTerminating());
488	>	done.countDown();
489	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
490	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
491	>	assertTrue(p.isTerminated());
492	>	assertFalse(p.isTerminating());
493	>	}
494	>	}
495	>
496	>	/**
497	>	* isTerminating is not true when running or when terminated
498	>	*/
499	>	public void testIsTerminating() throws InterruptedException {
500	>	final ThreadPoolExecutor p =
501	>	new ThreadPoolExecutor(1, 1,
502	>	LONG_DELAY_MS, MILLISECONDS,
503	>	new ArrayBlockingQueue<Runnable>(10));
504	>	try (PoolCleaner cleaner = cleaner(p)) {
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507	>	assertFalse(p.isTerminating());
508	>	p.execute(new CheckedRunnable() {
509	>	public void realRun() throws InterruptedException {
510	>	assertFalse(p.isTerminating());
511	>	threadStarted.countDown();
512	>	done.await();
513	>	}});
514	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
515	>	assertFalse(p.isTerminating());
516	>	done.countDown();
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	>	assertTrue(p.isTerminated());
520	>	assertFalse(p.isTerminating());
521	>	}
522	>	}
523	>
524	>	/**
525	>	* getQueue returns the work queue, which contains queued tasks
526	>	*/
527	>	public void testGetQueue() throws InterruptedException {
528	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529	>	final ThreadPoolExecutor p =
530	>	new ThreadPoolExecutor(1, 1,
531	>	LONG_DELAY_MS, MILLISECONDS,
532	>	q);
533	>	try (PoolCleaner cleaner = cleaner(p)) {
534	>	final CountDownLatch threadStarted = new CountDownLatch(1);
535	>	final CountDownLatch done = new CountDownLatch(1);
536	>	FutureTask[] tasks = new FutureTask[5];
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Callable task = new CheckedCallable<Boolean>() {
539	>	public Boolean realCall() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	assertSame(q, p.getQueue());
542	>	done.await();
543	>	return Boolean.TRUE;
544	>	}};
545	>	tasks[i] = new FutureTask(task);
546	>	p.execute(tasks[i]);
547	>	}
548	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
549	>	assertSame(q, p.getQueue());
550	>	assertFalse(q.contains(tasks[0]));
551	>	assertTrue(q.contains(tasks[tasks.length - 1]));
552	>	assertEquals(tasks.length - 1, q.size());
553	>	done.countDown();
554	>	}
555		}
556
557		/**
558	<	*   getActiveCount gives correct values
558	>	* remove(task) removes queued task, and fails to remove active task
559		*/
560	<	public void testGetActiveCount(){
561	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
562	<	assertEquals(0, two.getActiveCount());
563	<	two.execute(new MediumRunnable());
564	<	try{
565	<	Thread.sleep(SHORT_DELAY_MS);
566	<	} catch(Exception e){
567	<	fail("unexpected exception");
560	>	public void testRemove() throws InterruptedException {
561	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
562	>	final ThreadPoolExecutor p =
563	>	new ThreadPoolExecutor(1, 1,
564	>	LONG_DELAY_MS, MILLISECONDS,
565	>	q);
566	>	try (PoolCleaner cleaner = cleaner(p)) {
567	>	Runnable[] tasks = new Runnable[6];
568	>	final CountDownLatch threadStarted = new CountDownLatch(1);
569	>	final CountDownLatch done = new CountDownLatch(1);
570	>	for (int i = 0; i < tasks.length; i++) {
571	>	tasks[i] = new CheckedRunnable() {
572	>	public void realRun() throws InterruptedException {
573	>	threadStarted.countDown();
574	>	done.await();
575	>	}};
576	>	p.execute(tasks[i]);
577	>	}
578	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579	>	assertFalse(p.remove(tasks[0]));
580	>	assertTrue(q.contains(tasks[4]));
581	>	assertTrue(q.contains(tasks[3]));
582	>	assertTrue(p.remove(tasks[4]));
583	>	assertFalse(p.remove(tasks[4]));
584	>	assertFalse(q.contains(tasks[4]));
585	>	assertTrue(q.contains(tasks[3]));
586	>	assertTrue(p.remove(tasks[3]));
587	>	assertFalse(q.contains(tasks[3]));
588	>	done.countDown();
589		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
590		}
591	<
591	>
592		/**
593	<	*   getCompleteTaskCount gives correct values
593	>	* purge removes cancelled tasks from the queue
594		*/
595	<	public void testGetCompletedTaskCount(){
596	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
597	<	assertEquals(0, two.getCompletedTaskCount());
598	<	two.execute(new ShortRunnable());
599	<	try{
600	<	Thread.sleep(MEDIUM_DELAY_MS);
601	<	} catch(Exception e){
602	<	fail("unexpected exception");
595	>	public void testPurge() throws InterruptedException {
596	>	final CountDownLatch threadStarted = new CountDownLatch(1);
597	>	final CountDownLatch done = new CountDownLatch(1);
598	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
599	>	final ThreadPoolExecutor p =
600	>	new ThreadPoolExecutor(1, 1,
601	>	LONG_DELAY_MS, MILLISECONDS,
602	>	q);
603	>	try (PoolCleaner cleaner = cleaner(p)) {
604	>	FutureTask[] tasks = new FutureTask[5];
605	>	for (int i = 0; i < tasks.length; i++) {
606	>	Callable task = new CheckedCallable<Boolean>() {
607	>	public Boolean realCall() throws InterruptedException {
608	>	threadStarted.countDown();
609	>	done.await();
610	>	return Boolean.TRUE;
611	>	}};
612	>	tasks[i] = new FutureTask(task);
613	>	p.execute(tasks[i]);
614	>	}
615	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
616	>	assertEquals(tasks.length, p.getTaskCount());
617	>	assertEquals(tasks.length - 1, q.size());
618	>	assertEquals(1L, p.getActiveCount());
619	>	assertEquals(0L, p.getCompletedTaskCount());
620	>	tasks[4].cancel(true);
621	>	tasks[3].cancel(false);
622	>	p.purge();
623	>	assertEquals(tasks.length - 3, q.size());
624	>	assertEquals(tasks.length - 2, p.getTaskCount());
625	>	p.purge();         // Nothing to do
626	>	assertEquals(tasks.length - 3, q.size());
627	>	assertEquals(tasks.length - 2, p.getTaskCount());
628	>	done.countDown();
629		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
630		}
631	<
631	>
632	>	/**
633	>	* shutdownNow returns a list containing tasks that were not run,
634	>	* and those tasks are drained from the queue
635	>	*/
636	>	public void testShutdownNow() throws InterruptedException {
637	>	final int poolSize = 2;
638	>	final int count = 5;
639	>	final AtomicInteger ran = new AtomicInteger(0);
640	>	final ThreadPoolExecutor p =
641	>	new ThreadPoolExecutor(poolSize, poolSize,
642	>	LONG_DELAY_MS, MILLISECONDS,
643	>	new ArrayBlockingQueue<Runnable>(10));
644	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
645	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
646	>	threadsStarted.countDown();
647	>	try {
648	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
649	>	} catch (InterruptedException success) {}
650	>	ran.getAndIncrement();
651	>	}};
652	>	for (int i = 0; i < count; i++)
653	>	p.execute(waiter);
654	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
655	>	assertEquals(poolSize, p.getActiveCount());
656	>	assertEquals(0, p.getCompletedTaskCount());
657	>	final List<Runnable> queuedTasks;
658	>	try {
659	>	queuedTasks = p.shutdownNow();
660	>	} catch (SecurityException ok) {
661	>	return; // Allowed in case test doesn't have privs
662	>	}
663	>	assertTrue(p.isShutdown());
664	>	assertTrue(p.getQueue().isEmpty());
665	>	assertEquals(count - poolSize, queuedTasks.size());
666	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
667	>	assertTrue(p.isTerminated());
668	>	assertEquals(poolSize, ran.get());
669	>	assertEquals(poolSize, p.getCompletedTaskCount());
670	>	}
671	>
672	>	// Exception Tests
673	>
674	>	/**
675	>	* Constructor throws if corePoolSize argument is less than zero
676	>	*/
677	>	public void testConstructor1() {
678	>	try {
679	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
680	>	new ArrayBlockingQueue<Runnable>(10));
681	>	shouldThrow();
682	>	} catch (IllegalArgumentException success) {}
683	>	}
684	>
685	>	/**
686	>	* Constructor throws if maximumPoolSize is less than zero
687	>	*/
688	>	public void testConstructor2() {
689	>	try {
690	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
691	>	new ArrayBlockingQueue<Runnable>(10));
692	>	shouldThrow();
693	>	} catch (IllegalArgumentException success) {}
694	>	}
695	>
696	>	/**
697	>	* Constructor throws if maximumPoolSize is equal to zero
698	>	*/
699	>	public void testConstructor3() {
700	>	try {
701	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10));
703	>	shouldThrow();
704	>	} catch (IllegalArgumentException success) {}
705	>	}
706	>
707	>	/**
708	>	* Constructor throws if keepAliveTime is less than zero
709	>	*/
710	>	public void testConstructor4() {
711	>	try {
712	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
713	>	new ArrayBlockingQueue<Runnable>(10));
714	>	shouldThrow();
715	>	} catch (IllegalArgumentException success) {}
716	>	}
717	>
718	>	/**
719	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
720	>	*/
721	>	public void testConstructor5() {
722	>	try {
723	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10));
725	>	shouldThrow();
726	>	} catch (IllegalArgumentException success) {}
727	>	}
728	>
729	>	/**
730	>	* Constructor throws if workQueue is set to null
731	>	*/
732	>	public void testConstructorNullPointerException() {
733	>	try {
734	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
735	>	(BlockingQueue) null);
736	>	shouldThrow();
737	>	} catch (NullPointerException success) {}
738	>	}
739	>
740	>	/**
741	>	* Constructor throws if corePoolSize argument is less than zero
742	>	*/
743	>	public void testConstructor6() {
744	>	try {
745	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
746	>	new ArrayBlockingQueue<Runnable>(10),
747	>	new SimpleThreadFactory());
748	>	shouldThrow();
749	>	} catch (IllegalArgumentException success) {}
750	>	}
751	>
752	>	/**
753	>	* Constructor throws if maximumPoolSize is less than zero
754	>	*/
755	>	public void testConstructor7() {
756	>	try {
757	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
758	>	new ArrayBlockingQueue<Runnable>(10),
759	>	new SimpleThreadFactory());
760	>	shouldThrow();
761	>	} catch (IllegalArgumentException success) {}
762	>	}
763	>
764		/**
765	<	*   getCorePoolSize gives correct values
765	>	* Constructor throws if maximumPoolSize is equal to zero
766		*/
767	<	public void testGetCorePoolSize(){
768	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
769	<	assertEquals(1, one.getCorePoolSize());
770	<	joinPool(one);
767	>	public void testConstructor8() {
768	>	try {
769	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
770	>	new ArrayBlockingQueue<Runnable>(10),
771	>	new SimpleThreadFactory());
772	>	shouldThrow();
773	>	} catch (IllegalArgumentException success) {}
774		}
775	<
775	>
776		/**
777	<	*   getKeepAliveTime gives correct values
777	>	* Constructor throws if keepAliveTime is less than zero
778		*/
779	<	public void testGetKeepAliveTime(){
780	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
781	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
782	<	joinPool(two);
779	>	public void testConstructor9() {
780	>	try {
781	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
782	>	new ArrayBlockingQueue<Runnable>(10),
783	>	new SimpleThreadFactory());
784	>	shouldThrow();
785	>	} catch (IllegalArgumentException success) {}
786		}
787	<
787	>
788		/**
789	<	*   getLargestPoolSize gives correct values
789	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
790		*/
791	<	public void testGetLargestPoolSize(){
113	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
791	>	public void testConstructor10() {
792		try {
793	<	assertEquals(0, two.getLargestPoolSize());
794	<	two.execute(new MediumRunnable());
795	<	two.execute(new MediumRunnable());
796	<	Thread.sleep(SHORT_DELAY_MS);
797	<	assertEquals(2, two.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
793	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
794	>	new ArrayBlockingQueue<Runnable>(10),
795	>	new SimpleThreadFactory());
796	>	shouldThrow();
797	>	} catch (IllegalArgumentException success) {}
798		}
799	<
799	>
800		/**
801	<	*   getMaximumPoolSize gives correct values
801	>	* Constructor throws if workQueue is set to null
802		*/
803	<	public void testGetMaximumPoolSize(){
804	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
805	<	assertEquals(2, two.getMaximumPoolSize());
806	<	joinPool(two);
803	>	public void testConstructorNullPointerException2() {
804	>	try {
805	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
806	>	(BlockingQueue) null,
807	>	new SimpleThreadFactory());
808	>	shouldThrow();
809	>	} catch (NullPointerException success) {}
810		}
811	<
811	>
812		/**
813	<	*   getPoolSize gives correct values
813	>	* Constructor throws if threadFactory is set to null
814		*/
815	<	public void testGetPoolSize(){
816	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
817	<	assertEquals(0, one.getPoolSize());
818	<	one.execute(new MediumRunnable());
819	<	assertEquals(1, one.getPoolSize());
820	<	joinPool(one);
815	>	public void testConstructorNullPointerException3() {
816	>	try {
817	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
818	>	new ArrayBlockingQueue<Runnable>(10),
819	>	(ThreadFactory) null);
820	>	shouldThrow();
821	>	} catch (NullPointerException success) {}
822	>	}
823	>
824	>	/**
825	>	* Constructor throws if corePoolSize argument is less than zero
826	>	*/
827	>	public void testConstructor11() {
828	>	try {
829	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
830	>	new ArrayBlockingQueue<Runnable>(10),
831	>	new NoOpREHandler());
832	>	shouldThrow();
833	>	} catch (IllegalArgumentException success) {}
834		}
835	<
835	>
836		/**
837	<	*   getTaskCount gives correct values
837	>	* Constructor throws if maximumPoolSize is less than zero
838		*/
839	<	public void testGetTaskCount(){
150	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
839	>	public void testConstructor12() {
840		try {
841	<	assertEquals(0, one.getTaskCount());
842	<	for(int i = 0; i < 5; i++)
843	<	one.execute(new MediumRunnable());
844	<	Thread.sleep(SHORT_DELAY_MS);
845	<	assertEquals(5, one.getTaskCount());
157	<	} catch(Exception e){
158	<	fail("unexpected exception");
159	<	}
160	<	joinPool(one);
841	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
842	>	new ArrayBlockingQueue<Runnable>(10),
843	>	new NoOpREHandler());
844	>	shouldThrow();
845	>	} catch (IllegalArgumentException success) {}
846		}
847	<
847	>
848		/**
849	<	*   isShutDown gives correct values
849	>	* Constructor throws if maximumPoolSize is equal to zero
850		*/
851	<	public void testIsShutdown(){
852	<
853	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
854	<	assertFalse(one.isShutdown());
855	<	one.shutdown();
856	<	assertTrue(one.isShutdown());
857	<	joinPool(one);
851	>	public void testConstructor13() {
852	>	try {
853	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
854	>	new ArrayBlockingQueue<Runnable>(10),
855	>	new NoOpREHandler());
856	>	shouldThrow();
857	>	} catch (IllegalArgumentException success) {}
858		}
859
175	–
860		/**
861	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
861	>	* Constructor throws if keepAliveTime is less than zero
862		*/
863	<	public void testIsTerminated(){
182	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
863	>	public void testConstructor14() {
864		try {
865	<	one.execute(new MediumRunnable());
866	<	} finally {
867	<	one.shutdown();
865	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
866	>	new ArrayBlockingQueue<Runnable>(10),
867	>	new NoOpREHandler());
868	>	shouldThrow();
869	>	} catch (IllegalArgumentException success) {}
870	>	}
871	>
872	>	/**
873	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
874	>	*/
875	>	public void testConstructor15() {
876	>	try {
877	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
878	>	new ArrayBlockingQueue<Runnable>(10),
879	>	new NoOpREHandler());
880	>	shouldThrow();
881	>	} catch (IllegalArgumentException success) {}
882	>	}
883	>
884	>	/**
885	>	* Constructor throws if workQueue is set to null
886	>	*/
887	>	public void testConstructorNullPointerException4() {
888	>	try {
889	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
890	>	(BlockingQueue) null,
891	>	new NoOpREHandler());
892	>	shouldThrow();
893	>	} catch (NullPointerException success) {}
894	>	}
895	>
896	>	/**
897	>	* Constructor throws if handler is set to null
898	>	*/
899	>	public void testConstructorNullPointerException5() {
900	>	try {
901	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
902	>	new ArrayBlockingQueue<Runnable>(10),
903	>	(RejectedExecutionHandler) null);
904	>	shouldThrow();
905	>	} catch (NullPointerException success) {}
906	>	}
907	>
908	>	/**
909	>	* Constructor throws if corePoolSize argument is less than zero
910	>	*/
911	>	public void testConstructor16() {
912	>	try {
913	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
914	>	new ArrayBlockingQueue<Runnable>(10),
915	>	new SimpleThreadFactory(),
916	>	new NoOpREHandler());
917	>	shouldThrow();
918	>	} catch (IllegalArgumentException success) {}
919	>	}
920	>
921	>	/**
922	>	* Constructor throws if maximumPoolSize is less than zero
923	>	*/
924	>	public void testConstructor17() {
925	>	try {
926	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
927	>	new ArrayBlockingQueue<Runnable>(10),
928	>	new SimpleThreadFactory(),
929	>	new NoOpREHandler());
930	>	shouldThrow();
931	>	} catch (IllegalArgumentException success) {}
932	>	}
933	>
934	>	/**
935	>	* Constructor throws if maximumPoolSize is equal to zero
936	>	*/
937	>	public void testConstructor18() {
938	>	try {
939	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
940	>	new ArrayBlockingQueue<Runnable>(10),
941	>	new SimpleThreadFactory(),
942	>	new NoOpREHandler());
943	>	shouldThrow();
944	>	} catch (IllegalArgumentException success) {}
945	>	}
946	>
947	>	/**
948	>	* Constructor throws if keepAliveTime is less than zero
949	>	*/
950	>	public void testConstructor19() {
951	>	try {
952	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
953	>	new ArrayBlockingQueue<Runnable>(10),
954	>	new SimpleThreadFactory(),
955	>	new NoOpREHandler());
956	>	shouldThrow();
957	>	} catch (IllegalArgumentException success) {}
958	>	}
959	>
960	>	/**
961	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
962	>	*/
963	>	public void testConstructor20() {
964	>	try {
965	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
966	>	new ArrayBlockingQueue<Runnable>(10),
967	>	new SimpleThreadFactory(),
968	>	new NoOpREHandler());
969	>	shouldThrow();
970	>	} catch (IllegalArgumentException success) {}
971	>	}
972	>
973	>	/**
974	>	* Constructor throws if workQueue is null
975	>	*/
976	>	public void testConstructorNullPointerException6() {
977	>	try {
978	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
979	>	(BlockingQueue) null,
980	>	new SimpleThreadFactory(),
981	>	new NoOpREHandler());
982	>	shouldThrow();
983	>	} catch (NullPointerException success) {}
984	>	}
985	>
986	>	/**
987	>	* Constructor throws if handler is null
988	>	*/
989	>	public void testConstructorNullPointerException7() {
990	>	try {
991	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
992	>	new ArrayBlockingQueue<Runnable>(10),
993	>	new SimpleThreadFactory(),
994	>	(RejectedExecutionHandler) null);
995	>	shouldThrow();
996	>	} catch (NullPointerException success) {}
997	>	}
998	>
999	>	/**
1000	>	* Constructor throws if ThreadFactory is null
1001	>	*/
1002	>	public void testConstructorNullPointerException8() {
1003	>	try {
1004	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1005	>	new ArrayBlockingQueue<Runnable>(10),
1006	>	(ThreadFactory) null,
1007	>	new NoOpREHandler());
1008	>	shouldThrow();
1009	>	} catch (NullPointerException success) {}
1010	>	}
1011	>
1012	>	/**
1013	>	* get of submitted callable throws InterruptedException if interrupted
1014	>	*/
1015	>	public void testInterruptedSubmit() throws InterruptedException {
1016	>	final ThreadPoolExecutor p =
1017	>	new ThreadPoolExecutor(1, 1,
1018	>	60, SECONDS,
1019	>	new ArrayBlockingQueue<Runnable>(10));
1020	>
1021	>	try (PoolCleaner cleaner = cleaner(p)) {
1022	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1023	>	final CountDownLatch done = new CountDownLatch(1);
1024	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1025	>	public void realRun() throws Exception {
1026	>	Callable task = new CheckedCallable<Boolean>() {
1027	>	public Boolean realCall() throws InterruptedException {
1028	>	threadStarted.countDown();
1029	>	done.await();
1030	>	return Boolean.TRUE;
1031	>	}};
1032	>	p.submit(task).get();
1033	>	}});
1034	>
1035	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1036	>	t.interrupt();
1037	>	awaitTermination(t, MEDIUM_DELAY_MS);
1038	>	done.countDown();
1039		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
1040		}
1041
1042		/**
1043	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
1043	>	* execute throws RejectedExecutionException if saturated.
1044		*/
1045	<	public void testPurge(){
1046	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1047	<	CancellableTask[] tasks = new CancellableTask[5];
1048	<	for(int i = 0; i < 5; i++){
1049	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
1050	<	one.execute(tasks[i]);
1045	>	public void testSaturatedExecute() {
1046	>	final ThreadPoolExecutor p =
1047	>	new ThreadPoolExecutor(1, 1,
1048	>	LONG_DELAY_MS, MILLISECONDS,
1049	>	new ArrayBlockingQueue<Runnable>(1));
1050	>	try (PoolCleaner cleaner = cleaner(p)) {
1051	>	final CountDownLatch done = new CountDownLatch(1);
1052	>	Runnable task = new CheckedRunnable() {
1053	>	public void realRun() throws InterruptedException {
1054	>	done.await();
1055	>	}};
1056	>	for (int i = 0; i < 2; ++i)
1057	>	p.execute(task);
1058	>	for (int i = 0; i < 2; ++i) {
1059	>	try {
1060	>	p.execute(task);
1061	>	shouldThrow();
1062	>	} catch (RejectedExecutionException success) {}
1063	>	assertTrue(p.getTaskCount() <= 2);
1064	>	}
1065	>	done.countDown();
1066		}
207	–	tasks[4].cancel(true);
208	–	tasks[3].cancel(true);
209	–	one.purge();
210	–	long count = one.getTaskCount();
211	–	assertTrue(count >= 2 && count < 5);
212	–	joinPool(one);
1067		}
1068
1069		/**
1070	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
1070	>	* submit(runnable) throws RejectedExecutionException if saturated.
1071		*/
1072	<	public void testShutDownNow(){
1073	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1074	<	List l;
1075	<	try {
1076	<	for(int i = 0; i < 5; i++)
1077	<	one.execute(new MediumPossiblyInterruptedRunnable());
1072	>	public void testSaturatedSubmitRunnable() {
1073	>	final ThreadPoolExecutor p =
1074	>	new ThreadPoolExecutor(1, 1,
1075	>	LONG_DELAY_MS, MILLISECONDS,
1076	>	new ArrayBlockingQueue<Runnable>(1));
1077	>	try (PoolCleaner cleaner = cleaner(p)) {
1078	>	final CountDownLatch done = new CountDownLatch(1);
1079	>	Runnable task = new CheckedRunnable() {
1080	>	public void realRun() throws InterruptedException {
1081	>	done.await();
1082	>	}};
1083	>	for (int i = 0; i < 2; ++i)
1084	>	p.submit(task);
1085	>	for (int i = 0; i < 2; ++i) {
1086	>	try {
1087	>	p.execute(task);
1088	>	shouldThrow();
1089	>	} catch (RejectedExecutionException success) {}
1090	>	assertTrue(p.getTaskCount() <= 2);
1091	>	}
1092	>	done.countDown();
1093		}
1094	<	finally {
1095	<	l = one.shutdownNow();
1094	>	}
1095	>
1096	>	/**
1097	>	* submit(callable) throws RejectedExecutionException if saturated.
1098	>	*/
1099	>	public void testSaturatedSubmitCallable() {
1100	>	final ThreadPoolExecutor p =
1101	>	new ThreadPoolExecutor(1, 1,
1102	>	LONG_DELAY_MS, MILLISECONDS,
1103	>	new ArrayBlockingQueue<Runnable>(1));
1104	>	try (PoolCleaner cleaner = cleaner(p)) {
1105	>	final CountDownLatch done = new CountDownLatch(1);
1106	>	Runnable task = new CheckedRunnable() {
1107	>	public void realRun() throws InterruptedException {
1108	>	done.await();
1109	>	}};
1110	>	for (int i = 0; i < 2; ++i)
1111	>	p.submit(Executors.callable(task));
1112	>	for (int i = 0; i < 2; ++i) {
1113	>	try {
1114	>	p.execute(task);
1115	>	shouldThrow();
1116	>	} catch (RejectedExecutionException success) {}
1117	>	assertTrue(p.getTaskCount() <= 2);
1118	>	}
1119	>	done.countDown();
1120		}
229	–	assertTrue(one.isShutdown());
230	–	assertTrue(l.size() <= 4);
1121		}
1122
1123	<	// Exception Tests
1124	<
1123	>	/**
1124	>	* executor using CallerRunsPolicy runs task if saturated.
1125	>	*/
1126	>	public void testSaturatedExecute2() {
1127	>	final ThreadPoolExecutor p =
1128	>	new ThreadPoolExecutor(1, 1,
1129	>	LONG_DELAY_MS,
1130	>	MILLISECONDS,
1131	>	new ArrayBlockingQueue<Runnable>(1),
1132	>	new ThreadPoolExecutor.CallerRunsPolicy());
1133	>	try (PoolCleaner cleaner = cleaner(p)) {
1134	>	final CountDownLatch done = new CountDownLatch(1);
1135	>	Runnable blocker = new CheckedRunnable() {
1136	>	public void realRun() throws InterruptedException {
1137	>	done.await();
1138	>	}};
1139	>	p.execute(blocker);
1140	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1141	>	for (int i = 0; i < tasks.length; i++)
1142	>	tasks[i] = new TrackedNoOpRunnable();
1143	>	for (int i = 0; i < tasks.length; i++)
1144	>	p.execute(tasks[i]);
1145	>	for (int i = 1; i < tasks.length; i++)
1146	>	assertTrue(tasks[i].done);
1147	>	assertFalse(tasks[0].done); // waiting in queue
1148	>	done.countDown();
1149	>	}
1150	>	}
1151
1152	<	/** Throws if corePoolSize argument is less than zero */
1153	<	public void testConstructor1() {
1154	<	try{
1155	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1156	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1152	>	/**
1153	>	* executor using DiscardPolicy drops task if saturated.
1154	>	*/
1155	>	public void testSaturatedExecute3() {
1156	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1157	>	for (int i = 0; i < tasks.length; ++i)
1158	>	tasks[i] = new TrackedNoOpRunnable();
1159	>	final ThreadPoolExecutor p =
1160	>	new ThreadPoolExecutor(1, 1,
1161	>	LONG_DELAY_MS, MILLISECONDS,
1162	>	new ArrayBlockingQueue<Runnable>(1),
1163	>	new ThreadPoolExecutor.DiscardPolicy());
1164	>	try (PoolCleaner cleaner = cleaner(p)) {
1165	>	final CountDownLatch done = new CountDownLatch(1);
1166	>	p.execute(awaiter(done));
1167	>
1168	>	for (TrackedNoOpRunnable task : tasks)
1169	>	p.execute(task);
1170	>	for (int i = 1; i < tasks.length; i++)
1171	>	assertFalse(tasks[i].done);
1172	>	done.countDown();
1173	>	}
1174	>	for (int i = 1; i < tasks.length; i++)
1175	>	assertFalse(tasks[i].done);
1176	>	assertTrue(tasks[0].done); // was waiting in queue
1177	>	}
1178	>
1179	>	/**
1180	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1181	>	*/
1182	>	public void testSaturatedExecute4() {
1183	>	final CountDownLatch done = new CountDownLatch(1);
1184	>	LatchAwaiter r1 = awaiter(done);
1185	>	LatchAwaiter r2 = awaiter(done);
1186	>	LatchAwaiter r3 = awaiter(done);
1187	>	final ThreadPoolExecutor p =
1188	>	new ThreadPoolExecutor(1, 1,
1189	>	LONG_DELAY_MS, MILLISECONDS,
1190	>	new ArrayBlockingQueue<Runnable>(1),
1191	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1192	>	try (PoolCleaner cleaner = cleaner(p)) {
1193	>	assertEquals(LatchAwaiter.NEW, r1.state);
1194	>	assertEquals(LatchAwaiter.NEW, r2.state);
1195	>	assertEquals(LatchAwaiter.NEW, r3.state);
1196	>	p.execute(r1);
1197	>	p.execute(r2);
1198	>	assertTrue(p.getQueue().contains(r2));
1199	>	p.execute(r3);
1200	>	assertFalse(p.getQueue().contains(r2));
1201	>	assertTrue(p.getQueue().contains(r3));
1202	>	done.countDown();
1203	>	}
1204	>	assertEquals(LatchAwaiter.DONE, r1.state);
1205	>	assertEquals(LatchAwaiter.NEW, r2.state);
1206	>	assertEquals(LatchAwaiter.DONE, r3.state);
1207	>	}
1208	>
1209	>	/**
1210	>	* execute throws RejectedExecutionException if shutdown
1211	>	*/
1212	>	public void testRejectedExecutionExceptionOnShutdown() {
1213	>	final ThreadPoolExecutor p =
1214	>	new ThreadPoolExecutor(1, 1,
1215	>	LONG_DELAY_MS, MILLISECONDS,
1216	>	new ArrayBlockingQueue<Runnable>(1));
1217	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1218	>	try (PoolCleaner cleaner = cleaner(p)) {
1219	>	try {
1220	>	p.execute(new NoOpRunnable());
1221	>	shouldThrow();
1222	>	} catch (RejectedExecutionException success) {}
1223		}
242	–	catch (IllegalArgumentException success){}
1224		}
1225	<
1226	<	/** Throws if maximumPoolSize is less than zero */
1227	<	public void testConstructor2() {
1228	<	try{
1229	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1230	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1225	>
1226	>	/**
1227	>	* execute using CallerRunsPolicy drops task on shutdown
1228	>	*/
1229	>	public void testCallerRunsOnShutdown() {
1230	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1231	>	final ThreadPoolExecutor p =
1232	>	new ThreadPoolExecutor(1, 1,
1233	>	LONG_DELAY_MS, MILLISECONDS,
1234	>	new ArrayBlockingQueue<Runnable>(1), h);
1235	>
1236	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1237	>	try (PoolCleaner cleaner = cleaner(p)) {
1238	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1239	>	p.execute(r);
1240	>	assertFalse(r.done);
1241		}
251	–	catch (IllegalArgumentException success){}
1242		}
1243	<
1244	<	/** Throws if maximumPoolSize is equal to zero */
1245	<	public void testConstructor3() {
1246	<	try{
1247	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1248	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1243	>
1244	>	/**
1245	>	* execute using DiscardPolicy drops task on shutdown
1246	>	*/
1247	>	public void testDiscardOnShutdown() {
1248	>	final ThreadPoolExecutor p =
1249	>	new ThreadPoolExecutor(1, 1,
1250	>	LONG_DELAY_MS, MILLISECONDS,
1251	>	new ArrayBlockingQueue<Runnable>(1),
1252	>	new ThreadPoolExecutor.DiscardPolicy());
1253	>
1254	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1255	>	try (PoolCleaner cleaner = cleaner(p)) {
1256	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1257	>	p.execute(r);
1258	>	assertFalse(r.done);
1259		}
260	–	catch (IllegalArgumentException success){}
1260		}
1261
1262	<	/** Throws if keepAliveTime is less than zero */
1263	<	public void testConstructor4() {
1264	<	try{
1265	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1266	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1262	>	/**
1263	>	* execute using DiscardOldestPolicy drops task on shutdown
1264	>	*/
1265	>	public void testDiscardOldestOnShutdown() {
1266	>	final ThreadPoolExecutor p =
1267	>	new ThreadPoolExecutor(1, 1,
1268	>	LONG_DELAY_MS, MILLISECONDS,
1269	>	new ArrayBlockingQueue<Runnable>(1),
1270	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1271	>
1272	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1273	>	try (PoolCleaner cleaner = cleaner(p)) {
1274	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1275	>	p.execute(r);
1276	>	assertFalse(r.done);
1277		}
269	–	catch (IllegalArgumentException success){}
1278		}
1279
1280	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1281	<	public void testConstructor5() {
1282	<	try{
1283	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1284	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1280	>	/**
1281	>	* execute(null) throws NPE
1282	>	*/
1283	>	public void testExecuteNull() {
1284	>	final ThreadPoolExecutor p =
1285	>	new ThreadPoolExecutor(1, 2,
1286	>	1L, SECONDS,
1287	>	new ArrayBlockingQueue<Runnable>(10));
1288	>	try (PoolCleaner cleaner = cleaner(p)) {
1289	>	try {
1290	>	p.execute(null);
1291	>	shouldThrow();
1292	>	} catch (NullPointerException success) {}
1293		}
278	–	catch (IllegalArgumentException success){}
1294		}
1295	<
1296	<	/** Throws if workQueue is set to null */
1297	<	public void testNullPointerException() {
1298	<	try{
1299	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
1300	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1295	>
1296	>	/**
1297	>	* setCorePoolSize of negative value throws IllegalArgumentException
1298	>	*/
1299	>	public void testCorePoolSizeIllegalArgumentException() {
1300	>	final ThreadPoolExecutor p =
1301	>	new ThreadPoolExecutor(1, 2,
1302	>	LONG_DELAY_MS, MILLISECONDS,
1303	>	new ArrayBlockingQueue<Runnable>(10));
1304	>	try (PoolCleaner cleaner = cleaner(p)) {
1305	>	try {
1306	>	p.setCorePoolSize(-1);
1307	>	shouldThrow();
1308	>	} catch (IllegalArgumentException success) {}
1309		}
287	–	catch (NullPointerException success){}
1310		}
289	–
1311
1312	<
1313	<	/** Throws if corePoolSize argument is less than zero */
1314	<	public void testConstructor6() {
1315	<	try{
1316	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1317	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1318	<	} catch (IllegalArgumentException success){}
1312	>	/**
1313	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1314	>	* given a value less the core pool size
1315	>	*/
1316	>	public void testMaximumPoolSizeIllegalArgumentException() {
1317	>	final ThreadPoolExecutor p =
1318	>	new ThreadPoolExecutor(2, 3,
1319	>	LONG_DELAY_MS, MILLISECONDS,
1320	>	new ArrayBlockingQueue<Runnable>(10));
1321	>	try (PoolCleaner cleaner = cleaner(p)) {
1322	>	try {
1323	>	p.setMaximumPoolSize(1);
1324	>	shouldThrow();
1325	>	} catch (IllegalArgumentException success) {}
1326	>	}
1327		}
1328	<
1329	<	/** Throws if maximumPoolSize is less than zero */
1330	<	public void testConstructor7() {
1331	<	try{
1332	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1333	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1328	>
1329	>	/**
1330	>	* setMaximumPoolSize throws IllegalArgumentException
1331	>	* if given a negative value
1332	>	*/
1333	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1334	>	final ThreadPoolExecutor p =
1335	>	new ThreadPoolExecutor(2, 3,
1336	>	LONG_DELAY_MS, MILLISECONDS,
1337	>	new ArrayBlockingQueue<Runnable>(10));
1338	>	try (PoolCleaner cleaner = cleaner(p)) {
1339	>	try {
1340	>	p.setMaximumPoolSize(-1);
1341	>	shouldThrow();
1342	>	} catch (IllegalArgumentException success) {}
1343		}
306	–	catch (IllegalArgumentException success){}
1344		}
1345
1346	<	/** Throws if maximumPoolSize is equal to zero */
1347	<	public void testConstructor8() {
1348	<	try{
1349	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1350	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1346	>	/**
1347	>	* Configuration changes that allow core pool size greater than
1348	>	* max pool size result in IllegalArgumentException.
1349	>	*/
1350	>	public void testPoolSizeInvariants() {
1351	>	final ThreadPoolExecutor p =
1352	>	new ThreadPoolExecutor(1, 1,
1353	>	LONG_DELAY_MS, MILLISECONDS,
1354	>	new ArrayBlockingQueue<Runnable>(10));
1355	>	try (PoolCleaner cleaner = cleaner(p)) {
1356	>	for (int s = 1; s < 5; s++) {
1357	>	p.setMaximumPoolSize(s);
1358	>	p.setCorePoolSize(s);
1359	>	try {
1360	>	p.setMaximumPoolSize(s - 1);
1361	>	shouldThrow();
1362	>	} catch (IllegalArgumentException success) {}
1363	>	assertEquals(s, p.getCorePoolSize());
1364	>	assertEquals(s, p.getMaximumPoolSize());
1365	>	try {
1366	>	p.setCorePoolSize(s + 1);
1367	>	shouldThrow();
1368	>	} catch (IllegalArgumentException success) {}
1369	>	assertEquals(s, p.getCorePoolSize());
1370	>	assertEquals(s, p.getMaximumPoolSize());
1371	>	}
1372		}
315	–	catch (IllegalArgumentException success){}
1373		}
1374
1375	<	/** Throws if keepAliveTime is less than zero */
1376	<	public void testConstructor9() {
1377	<	try{
1378	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1379	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1375	>	/**
1376	>	* setKeepAliveTime throws IllegalArgumentException
1377	>	* when given a negative value
1378	>	*/
1379	>	public void testKeepAliveTimeIllegalArgumentException() {
1380	>	final ThreadPoolExecutor p =
1381	>	new ThreadPoolExecutor(2, 3,
1382	>	LONG_DELAY_MS, MILLISECONDS,
1383	>	new ArrayBlockingQueue<Runnable>(10));
1384	>	try (PoolCleaner cleaner = cleaner(p)) {
1385	>	try {
1386	>	p.setKeepAliveTime(-1, MILLISECONDS);
1387	>	shouldThrow();
1388	>	} catch (IllegalArgumentException success) {}
1389		}
324	–	catch (IllegalArgumentException success){}
1390		}
1391
1392	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1393	<	public void testConstructor10() {
1394	<	try{
1395	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1396	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1392	>	/**
1393	>	* terminated() is called on termination
1394	>	*/
1395	>	public void testTerminated() {
1396	>	ExtendedTPE p = new ExtendedTPE();
1397	>	try (PoolCleaner cleaner = cleaner(p)) {
1398	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1399	>	assertTrue(p.terminatedCalled());
1400	>	assertTrue(p.isShutdown());
1401		}
333	–	catch (IllegalArgumentException success){}
1402		}
1403
1404	<	/** Throws if workQueue is set to null */
1405	<	public void testNullPointerException2() {
1406	<	try{
1407	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1408	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1404	>	/**
1405	>	* beforeExecute and afterExecute are called when executing task
1406	>	*/
1407	>	public void testBeforeAfter() throws InterruptedException {
1408	>	ExtendedTPE p = new ExtendedTPE();
1409	>	try (PoolCleaner cleaner = cleaner(p)) {
1410	>	final CountDownLatch done = new CountDownLatch(1);
1411	>	p.execute(new CheckedRunnable() {
1412	>	public void realRun() {
1413	>	done.countDown();
1414	>	}});
1415	>	await(p.afterCalled);
1416	>	assertEquals(0, done.getCount());
1417	>	assertTrue(p.afterCalled());
1418	>	assertTrue(p.beforeCalled());
1419		}
342	–	catch (NullPointerException success){}
1420		}
1421
1422	<	/** Throws if threadFactory is set to null */
1423	<	public void testNullPointerException3() {
1424	<	try{
1425	<	ThreadFactory f = null;
1426	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1427	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1422	>	/**
1423	>	* completed submit of callable returns result
1424	>	*/
1425	>	public void testSubmitCallable() throws Exception {
1426	>	final ExecutorService e =
1427	>	new ThreadPoolExecutor(2, 2,
1428	>	LONG_DELAY_MS, MILLISECONDS,
1429	>	new ArrayBlockingQueue<Runnable>(10));
1430	>	try (PoolCleaner cleaner = cleaner(e)) {
1431	>	Future<String> future = e.submit(new StringTask());
1432	>	String result = future.get();
1433	>	assertSame(TEST_STRING, result);
1434		}
352	–	catch (NullPointerException success){}
1435		}
1436	<
1437	<
1438	<	/** Throws if corePoolSize argument is less than zero */
1439	<	public void testConstructor11() {
1440	<	try{
1441	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1442	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1436	>
1437	>	/**
1438	>	* completed submit of runnable returns successfully
1439	>	*/
1440	>	public void testSubmitRunnable() throws Exception {
1441	>	final ExecutorService e =
1442	>	new ThreadPoolExecutor(2, 2,
1443	>	LONG_DELAY_MS, MILLISECONDS,
1444	>	new ArrayBlockingQueue<Runnable>(10));
1445	>	try (PoolCleaner cleaner = cleaner(e)) {
1446	>	Future<?> future = e.submit(new NoOpRunnable());
1447	>	future.get();
1448	>	assertTrue(future.isDone());
1449		}
362	–	catch (IllegalArgumentException success){}
1450		}
1451
1452	<	/** Throws if maximumPoolSize is less than zero */
1453	<	public void testConstructor12() {
1454	<	try{
1455	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1456	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1452	>	/**
1453	>	* completed submit of (runnable, result) returns result
1454	>	*/
1455	>	public void testSubmitRunnable2() throws Exception {
1456	>	final ExecutorService e =
1457	>	new ThreadPoolExecutor(2, 2,
1458	>	LONG_DELAY_MS, MILLISECONDS,
1459	>	new ArrayBlockingQueue<Runnable>(10));
1460	>	try (PoolCleaner cleaner = cleaner(e)) {
1461	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1462	>	String result = future.get();
1463	>	assertSame(TEST_STRING, result);
1464		}
371	–	catch (IllegalArgumentException success){}
1465		}
1466
1467	<	/** Throws if maximumPoolSize is equal to zero */
1468	<	public void testConstructor13() {
1469	<	try{
1470	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1471	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1467	>	/**
1468	>	* invokeAny(null) throws NPE
1469	>	*/
1470	>	public void testInvokeAny1() throws Exception {
1471	>	final ExecutorService e =
1472	>	new ThreadPoolExecutor(2, 2,
1473	>	LONG_DELAY_MS, MILLISECONDS,
1474	>	new ArrayBlockingQueue<Runnable>(10));
1475	>	try (PoolCleaner cleaner = cleaner(e)) {
1476	>	try {
1477	>	e.invokeAny(null);
1478	>	shouldThrow();
1479	>	} catch (NullPointerException success) {}
1480		}
380	–	catch (IllegalArgumentException success){}
1481		}
1482
1483	<	/** Throws if keepAliveTime is less than zero */
1484	<	public void testConstructor14() {
1485	<	try{
1486	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1487	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1483	>	/**
1484	>	* invokeAny(empty collection) throws IAE
1485	>	*/
1486	>	public void testInvokeAny2() throws Exception {
1487	>	final ExecutorService e =
1488	>	new ThreadPoolExecutor(2, 2,
1489	>	LONG_DELAY_MS, MILLISECONDS,
1490	>	new ArrayBlockingQueue<Runnable>(10));
1491	>	try (PoolCleaner cleaner = cleaner(e)) {
1492	>	try {
1493	>	e.invokeAny(new ArrayList<Callable<String>>());
1494	>	shouldThrow();
1495	>	} catch (IllegalArgumentException success) {}
1496		}
389	–	catch (IllegalArgumentException success){}
1497		}
1498
1499	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1500	<	public void testConstructor15() {
1501	<	try{
1502	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1503	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1499	>	/**
1500	>	* invokeAny(c) throws NPE if c has null elements
1501	>	*/
1502	>	public void testInvokeAny3() throws Exception {
1503	>	final CountDownLatch latch = new CountDownLatch(1);
1504	>	final ExecutorService e =
1505	>	new ThreadPoolExecutor(2, 2,
1506	>	LONG_DELAY_MS, MILLISECONDS,
1507	>	new ArrayBlockingQueue<Runnable>(10));
1508	>	try (PoolCleaner cleaner = cleaner(e)) {
1509	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1510	>	l.add(latchAwaitingStringTask(latch));
1511	>	l.add(null);
1512	>	try {
1513	>	e.invokeAny(l);
1514	>	shouldThrow();
1515	>	} catch (NullPointerException success) {}
1516	>	latch.countDown();
1517		}
398	–	catch (IllegalArgumentException success){}
1518		}
1519
1520	<	/** Throws if workQueue is set to null */
1521	<	public void testNullPointerException4() {
1522	<	try{
1523	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1524	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1520	>	/**
1521	>	* invokeAny(c) throws ExecutionException if no task completes
1522	>	*/
1523	>	public void testInvokeAny4() throws Exception {
1524	>	final ExecutorService e =
1525	>	new ThreadPoolExecutor(2, 2,
1526	>	LONG_DELAY_MS, MILLISECONDS,
1527	>	new ArrayBlockingQueue<Runnable>(10));
1528	>	try (PoolCleaner cleaner = cleaner(e)) {
1529	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1530	>	l.add(new NPETask());
1531	>	try {
1532	>	e.invokeAny(l);
1533	>	shouldThrow();
1534	>	} catch (ExecutionException success) {
1535	>	assertTrue(success.getCause() instanceof NullPointerException);
1536	>	}
1537		}
407	–	catch (NullPointerException success){}
1538		}
1539
1540	<	/** Throws if handler is set to null */
1541	<	public void testNullPointerException5() {
1542	<	try{
1543	<	RejectedExecutionHandler r = null;
1544	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1545	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1540	>	/**
1541	>	* invokeAny(c) returns result of some task
1542	>	*/
1543	>	public void testInvokeAny5() throws Exception {
1544	>	final ExecutorService e =
1545	>	new ThreadPoolExecutor(2, 2,
1546	>	LONG_DELAY_MS, MILLISECONDS,
1547	>	new ArrayBlockingQueue<Runnable>(10));
1548	>	try (PoolCleaner cleaner = cleaner(e)) {
1549	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1550	>	l.add(new StringTask());
1551	>	l.add(new StringTask());
1552	>	String result = e.invokeAny(l);
1553	>	assertSame(TEST_STRING, result);
1554		}
417	–	catch (NullPointerException success){}
1555		}
1556
1557	<
1558	<	/** Throws if corePoolSize argument is less than zero */
1559	<	public void testConstructor16() {
1560	<	try{
1561	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1562	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1557	>	/**
1558	>	* invokeAll(null) throws NPE
1559	>	*/
1560	>	public void testInvokeAll1() throws Exception {
1561	>	final ExecutorService e =
1562	>	new ThreadPoolExecutor(2, 2,
1563	>	LONG_DELAY_MS, MILLISECONDS,
1564	>	new ArrayBlockingQueue<Runnable>(10));
1565	>	try (PoolCleaner cleaner = cleaner(e)) {
1566	>	try {
1567	>	e.invokeAll(null);
1568	>	shouldThrow();
1569	>	} catch (NullPointerException success) {}
1570		}
427	–	catch (IllegalArgumentException success){}
1571		}
1572
1573	<	/** Throws if maximumPoolSize is less than zero */
1574	<	public void testConstructor17() {
1575	<	try{
1576	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1577	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1573	>	/**
1574	>	* invokeAll(empty collection) returns empty collection
1575	>	*/
1576	>	public void testInvokeAll2() throws InterruptedException {
1577	>	final ExecutorService e =
1578	>	new ThreadPoolExecutor(2, 2,
1579	>	LONG_DELAY_MS, MILLISECONDS,
1580	>	new ArrayBlockingQueue<Runnable>(10));
1581	>	try (PoolCleaner cleaner = cleaner(e)) {
1582	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1583	>	assertTrue(r.isEmpty());
1584		}
436	–	catch (IllegalArgumentException success){}
1585		}
1586
1587	<	/** Throws if maximumPoolSize is equal to zero */
1588	<	public void testConstructor18() {
1589	<	try{
1590	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1591	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1587	>	/**
1588	>	* invokeAll(c) throws NPE if c has null elements
1589	>	*/
1590	>	public void testInvokeAll3() throws Exception {
1591	>	final ExecutorService e =
1592	>	new ThreadPoolExecutor(2, 2,
1593	>	LONG_DELAY_MS, MILLISECONDS,
1594	>	new ArrayBlockingQueue<Runnable>(10));
1595	>	try (PoolCleaner cleaner = cleaner(e)) {
1596	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1597	>	l.add(new StringTask());
1598	>	l.add(null);
1599	>	try {
1600	>	e.invokeAll(l);
1601	>	shouldThrow();
1602	>	} catch (NullPointerException success) {}
1603		}
445	–	catch (IllegalArgumentException success){}
1604		}
1605
1606	<	/** Throws if keepAliveTime is less than zero */
1607	<	public void testConstructor19() {
1608	<	try{
1609	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1610	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1606	>	/**
1607	>	* get of element of invokeAll(c) throws exception on failed task
1608	>	*/
1609	>	public void testInvokeAll4() throws Exception {
1610	>	final ExecutorService e =
1611	>	new ThreadPoolExecutor(2, 2,
1612	>	LONG_DELAY_MS, MILLISECONDS,
1613	>	new ArrayBlockingQueue<Runnable>(10));
1614	>	try (PoolCleaner cleaner = cleaner(e)) {
1615	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1616	>	l.add(new NPETask());
1617	>	List<Future<String>> futures = e.invokeAll(l);
1618	>	assertEquals(1, futures.size());
1619	>	try {
1620	>	futures.get(0).get();
1621	>	shouldThrow();
1622	>	} catch (ExecutionException success) {
1623	>	assertTrue(success.getCause() instanceof NullPointerException);
1624	>	}
1625		}
454	–	catch (IllegalArgumentException success){}
1626		}
1627
1628	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1629	<	public void testConstructor20() {
1630	<	try{
1631	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1632	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1633	<	}
1634	<	catch (IllegalArgumentException success){}
1635	<	}
1636	<
1637	<	/** Throws if workQueue is set to null */
1638	<	public void testNullPointerException6() {
1639	<	try{
1640	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1641	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1642	<	}
1643	<	catch (NullPointerException success){}
1644	<	}
1645	<
1646	<	/** Throws if handler is set to null */
1647	<	public void testNullPointerException7() {
1648	<	try{
1649	<	RejectedExecutionHandler r = null;
1650	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1651	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1652	<	}
1653	<	catch (NullPointerException success){}
1654	<	}
1655	<
1656	<	/** Throws if ThreadFactory is set top null */
1657	<	public void testNullPointerException8() {
1658	<	try{
1659	<	ThreadFactory f = null;
1660	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1661	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1662	<	}
1663	<	catch (NullPointerException successdn8){}
1664	<	}
1665	<
1666	<
1667	<	/**
1668	<	*   execute will throw RejectedExcutionException
1669	<	*  ThreadPoolExecutor will throw one when more runnables are
1670	<	*  executed then will fit in the Queue.
1671	<	*/
1672	<	public void testRejectedExecutionException(){
1673	<	ThreadPoolExecutor tpe = null;
1674	<	try{
1675	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1676	<	} catch(Exception e){}
1677	<	tpe.shutdown();
507	<	try{
508	<	tpe.execute(new NoOpRunnable());
509	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
510	<	} catch(RejectedExecutionException success){}
511	<
512	<	joinPool(tpe);
513	<	}
514	<
515	<	/**
516	<	*   setCorePoolSize will throw IllegalArgumentException
517	<	*  when given a negative
518	<	*/
519	<	public void testCorePoolSizeIllegalArgumentException(){
520	<	ThreadPoolExecutor tpe = null;
521	<	try{
522	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
523	<	} catch(Exception e){}
524	<	try{
525	<	tpe.setCorePoolSize(-1);
526	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
527	<	} catch(IllegalArgumentException success){
528	<	} finally {
529	<	tpe.shutdown();
530	<	}
531	<	joinPool(tpe);
532	<	}
533	<
534	<
535	<	/**
536	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
537	<	*  if given a value less the it's actual core pool size
538	<	*/
539	<	public void testMaximumPoolSizeIllegalArgumentException(){
540	<	ThreadPoolExecutor tpe = null;
541	<	try{
542	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
543	<	} catch(Exception e){}
544	<	try{
545	<	tpe.setMaximumPoolSize(1);
546	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
547	<	} catch(IllegalArgumentException success){
548	<	} finally {
549	<	tpe.shutdown();
550	<	}
551	<	joinPool(tpe);
552	<	}
553	<
554	<	/**
555	<	*   setMaximumPoolSize will throw IllegalArgumentException
556	<	*  if given a negative number
557	<	*/
558	<	public void testMaximumPoolSizeIllegalArgumentException2(){
559	<	ThreadPoolExecutor tpe = null;
560	<	try{
561	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
562	<	} catch(Exception e){}
563	<	try{
564	<	tpe.setMaximumPoolSize(-1);
565	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
566	<	} catch(IllegalArgumentException success){
567	<	} finally {
568	<	tpe.shutdown();
569	<	}
570	<	joinPool(tpe);
571	<	}
572	<
573	<
574	<	/**
575	<	*   setKeepAliveTime will throw IllegalArgumentException
576	<	*  when given a negative value
577	<	*/
578	<	public void testKeepAliveTimeIllegalArgumentException(){
579	<	ThreadPoolExecutor tpe = null;
580	<	try{
581	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
582	<	} catch(Exception e){}
583	<
584	<	try{
585	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
586	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
587	<	} catch(IllegalArgumentException success){
588	<	} finally {
589	<	tpe.shutdown();
1628	>	/**
1629	>	* invokeAll(c) returns results of all completed tasks
1630	>	*/
1631	>	public void testInvokeAll5() throws Exception {
1632	>	final ExecutorService e =
1633	>	new ThreadPoolExecutor(2, 2,
1634	>	LONG_DELAY_MS, MILLISECONDS,
1635	>	new ArrayBlockingQueue<Runnable>(10));
1636	>	try (PoolCleaner cleaner = cleaner(e)) {
1637	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1638	>	l.add(new StringTask());
1639	>	l.add(new StringTask());
1640	>	List<Future<String>> futures = e.invokeAll(l);
1641	>	assertEquals(2, futures.size());
1642	>	for (Future<String> future : futures)
1643	>	assertSame(TEST_STRING, future.get());
1644	>	}
1645	>	}
1646	>
1647	>	/**
1648	>	* timed invokeAny(null) throws NPE
1649	>	*/
1650	>	public void testTimedInvokeAny1() throws Exception {
1651	>	final ExecutorService e =
1652	>	new ThreadPoolExecutor(2, 2,
1653	>	LONG_DELAY_MS, MILLISECONDS,
1654	>	new ArrayBlockingQueue<Runnable>(10));
1655	>	try (PoolCleaner cleaner = cleaner(e)) {
1656	>	try {
1657	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1658	>	shouldThrow();
1659	>	} catch (NullPointerException success) {}
1660	>	}
1661	>	}
1662	>
1663	>	/**
1664	>	* timed invokeAny(,,null) throws NPE
1665	>	*/
1666	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1667	>	final ExecutorService e =
1668	>	new ThreadPoolExecutor(2, 2,
1669	>	LONG_DELAY_MS, MILLISECONDS,
1670	>	new ArrayBlockingQueue<Runnable>(10));
1671	>	try (PoolCleaner cleaner = cleaner(e)) {
1672	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1673	>	l.add(new StringTask());
1674	>	try {
1675	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1676	>	shouldThrow();
1677	>	} catch (NullPointerException success) {}
1678		}
591	–	joinPool(tpe);
1679		}
1680	<
1680	>
1681	>	/**
1682	>	* timed invokeAny(empty collection) throws IAE
1683	>	*/
1684	>	public void testTimedInvokeAny2() throws Exception {
1685	>	final ExecutorService e =
1686	>	new ThreadPoolExecutor(2, 2,
1687	>	LONG_DELAY_MS, MILLISECONDS,
1688	>	new ArrayBlockingQueue<Runnable>(10));
1689	>	try (PoolCleaner cleaner = cleaner(e)) {
1690	>	try {
1691	>	e.invokeAny(new ArrayList<Callable<String>>(),
1692	>	MEDIUM_DELAY_MS, MILLISECONDS);
1693	>	shouldThrow();
1694	>	} catch (IllegalArgumentException success) {}
1695	>	}
1696	>	}
1697	>
1698	>	/**
1699	>	* timed invokeAny(c) throws NPE if c has null elements
1700	>	*/
1701	>	public void testTimedInvokeAny3() throws Exception {
1702	>	final CountDownLatch latch = new CountDownLatch(1);
1703	>	final ExecutorService e =
1704	>	new ThreadPoolExecutor(2, 2,
1705	>	LONG_DELAY_MS, MILLISECONDS,
1706	>	new ArrayBlockingQueue<Runnable>(10));
1707	>	try (PoolCleaner cleaner = cleaner(e)) {
1708	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1709	>	l.add(latchAwaitingStringTask(latch));
1710	>	l.add(null);
1711	>	try {
1712	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1713	>	shouldThrow();
1714	>	} catch (NullPointerException success) {}
1715	>	latch.countDown();
1716	>	}
1717	>	}
1718	>
1719	>	/**
1720	>	* timed invokeAny(c) throws ExecutionException if no task completes
1721	>	*/
1722	>	public void testTimedInvokeAny4() throws Exception {
1723	>	final ExecutorService e =
1724	>	new ThreadPoolExecutor(2, 2,
1725	>	LONG_DELAY_MS, MILLISECONDS,
1726	>	new ArrayBlockingQueue<Runnable>(10));
1727	>	try (PoolCleaner cleaner = cleaner(e)) {
1728	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1729	>	l.add(new NPETask());
1730	>	try {
1731	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1732	>	shouldThrow();
1733	>	} catch (ExecutionException success) {
1734	>	assertTrue(success.getCause() instanceof NullPointerException);
1735	>	}
1736	>	}
1737	>	}
1738	>
1739	>	/**
1740	>	* timed invokeAny(c) returns result of some task
1741	>	*/
1742	>	public void testTimedInvokeAny5() throws Exception {
1743	>	final ExecutorService e =
1744	>	new ThreadPoolExecutor(2, 2,
1745	>	LONG_DELAY_MS, MILLISECONDS,
1746	>	new ArrayBlockingQueue<Runnable>(10));
1747	>	try (PoolCleaner cleaner = cleaner(e)) {
1748	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1749	>	l.add(new StringTask());
1750	>	l.add(new StringTask());
1751	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1752	>	assertSame(TEST_STRING, result);
1753	>	}
1754	>	}
1755	>
1756	>	/**
1757	>	* timed invokeAll(null) throws NPE
1758	>	*/
1759	>	public void testTimedInvokeAll1() throws Exception {
1760	>	final ExecutorService e =
1761	>	new ThreadPoolExecutor(2, 2,
1762	>	LONG_DELAY_MS, MILLISECONDS,
1763	>	new ArrayBlockingQueue<Runnable>(10));
1764	>	try (PoolCleaner cleaner = cleaner(e)) {
1765	>	try {
1766	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1767	>	shouldThrow();
1768	>	} catch (NullPointerException success) {}
1769	>	}
1770	>	}
1771	>
1772	>	/**
1773	>	* timed invokeAll(,,null) throws NPE
1774	>	*/
1775	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1776	>	final ExecutorService e =
1777	>	new ThreadPoolExecutor(2, 2,
1778	>	LONG_DELAY_MS, MILLISECONDS,
1779	>	new ArrayBlockingQueue<Runnable>(10));
1780	>	try (PoolCleaner cleaner = cleaner(e)) {
1781	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1782	>	l.add(new StringTask());
1783	>	try {
1784	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1785	>	shouldThrow();
1786	>	} catch (NullPointerException success) {}
1787	>	}
1788	>	}
1789	>
1790	>	/**
1791	>	* timed invokeAll(empty collection) returns empty collection
1792	>	*/
1793	>	public void testTimedInvokeAll2() throws InterruptedException {
1794	>	final ExecutorService e =
1795	>	new ThreadPoolExecutor(2, 2,
1796	>	LONG_DELAY_MS, MILLISECONDS,
1797	>	new ArrayBlockingQueue<Runnable>(10));
1798	>	try (PoolCleaner cleaner = cleaner(e)) {
1799	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1800	>	MEDIUM_DELAY_MS, MILLISECONDS);
1801	>	assertTrue(r.isEmpty());
1802	>	}
1803	>	}
1804	>
1805	>	/**
1806	>	* timed invokeAll(c) throws NPE if c has null elements
1807	>	*/
1808	>	public void testTimedInvokeAll3() throws Exception {
1809	>	final ExecutorService e =
1810	>	new ThreadPoolExecutor(2, 2,
1811	>	LONG_DELAY_MS, MILLISECONDS,
1812	>	new ArrayBlockingQueue<Runnable>(10));
1813	>	try (PoolCleaner cleaner = cleaner(e)) {
1814	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1815	>	l.add(new StringTask());
1816	>	l.add(null);
1817	>	try {
1818	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1819	>	shouldThrow();
1820	>	} catch (NullPointerException success) {}
1821	>	}
1822	>	}
1823	>
1824	>	/**
1825	>	* get of element of invokeAll(c) throws exception on failed task
1826	>	*/
1827	>	public void testTimedInvokeAll4() throws Exception {
1828	>	final ExecutorService e =
1829	>	new ThreadPoolExecutor(2, 2,
1830	>	LONG_DELAY_MS, MILLISECONDS,
1831	>	new ArrayBlockingQueue<Runnable>(10));
1832	>	try (PoolCleaner cleaner = cleaner(e)) {
1833	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1834	>	l.add(new NPETask());
1835	>	List<Future<String>> futures =
1836	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1837	>	assertEquals(1, futures.size());
1838	>	try {
1839	>	futures.get(0).get();
1840	>	shouldThrow();
1841	>	} catch (ExecutionException success) {
1842	>	assertTrue(success.getCause() instanceof NullPointerException);
1843	>	}
1844	>	}
1845	>	}
1846	>
1847	>	/**
1848	>	* timed invokeAll(c) returns results of all completed tasks
1849	>	*/
1850	>	public void testTimedInvokeAll5() throws Exception {
1851	>	final ExecutorService e =
1852	>	new ThreadPoolExecutor(2, 2,
1853	>	LONG_DELAY_MS, MILLISECONDS,
1854	>	new ArrayBlockingQueue<Runnable>(10));
1855	>	try (PoolCleaner cleaner = cleaner(e)) {
1856	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1857	>	l.add(new StringTask());
1858	>	l.add(new StringTask());
1859	>	List<Future<String>> futures =
1860	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1861	>	assertEquals(2, futures.size());
1862	>	for (Future<String> future : futures)
1863	>	assertSame(TEST_STRING, future.get());
1864	>	}
1865	>	}
1866	>
1867	>	/**
1868	>	* timed invokeAll(c) cancels tasks not completed by timeout
1869	>	*/
1870	>	public void testTimedInvokeAll6() throws Exception {
1871	>	final ExecutorService e =
1872	>	new ThreadPoolExecutor(2, 2,
1873	>	LONG_DELAY_MS, MILLISECONDS,
1874	>	new ArrayBlockingQueue<Runnable>(10));
1875	>	try (PoolCleaner cleaner = cleaner(e)) {
1876	>	for (long timeout = timeoutMillis();;) {
1877	>	List<Callable<String>> tasks = new ArrayList<>();
1878	>	tasks.add(new StringTask("0"));
1879	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1880	>	tasks.add(new StringTask("2"));
1881	>	long startTime = System.nanoTime();
1882	>	List<Future<String>> futures =
1883	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1884	>	assertEquals(tasks.size(), futures.size());
1885	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1886	>	for (Future future : futures)
1887	>	assertTrue(future.isDone());
1888	>	assertTrue(futures.get(1).isCancelled());
1889	>	try {
1890	>	assertEquals("0", futures.get(0).get());
1891	>	assertEquals("2", futures.get(2).get());
1892	>	break;
1893	>	} catch (CancellationException retryWithLongerTimeout) {
1894	>	timeout *= 2;
1895	>	if (timeout >= LONG_DELAY_MS / 2)
1896	>	fail("expected exactly one task to be cancelled");
1897	>	}
1898	>	}
1899	>	}
1900	>	}
1901	>
1902	>	/**
1903	>	* Execution continues if there is at least one thread even if
1904	>	* thread factory fails to create more
1905	>	*/
1906	>	public void testFailingThreadFactory() throws InterruptedException {
1907	>	final ExecutorService e =
1908	>	new ThreadPoolExecutor(100, 100,
1909	>	LONG_DELAY_MS, MILLISECONDS,
1910	>	new LinkedBlockingQueue<Runnable>(),
1911	>	new FailingThreadFactory());
1912	>	try (PoolCleaner cleaner = cleaner(e)) {
1913	>	final int TASKS = 100;
1914	>	final CountDownLatch done = new CountDownLatch(TASKS);
1915	>	for (int k = 0; k < TASKS; ++k)
1916	>	e.execute(new CheckedRunnable() {
1917	>	public void realRun() {
1918	>	done.countDown();
1919	>	}});
1920	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1921	>	}
1922	>	}
1923	>
1924	>	/**
1925	>	* allowsCoreThreadTimeOut is by default false.
1926	>	*/
1927	>	public void testAllowsCoreThreadTimeOut() {
1928	>	final ThreadPoolExecutor p =
1929	>	new ThreadPoolExecutor(2, 2,
1930	>	1000, MILLISECONDS,
1931	>	new ArrayBlockingQueue<Runnable>(10));
1932	>	try (PoolCleaner cleaner = cleaner(p)) {
1933	>	assertFalse(p.allowsCoreThreadTimeOut());
1934	>	}
1935	>	}
1936	>
1937	>	/**
1938	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1939	>	*/
1940	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1941	>	long keepAliveTime = timeoutMillis();
1942	>	final ThreadPoolExecutor p =
1943	>	new ThreadPoolExecutor(2, 10,
1944	>	keepAliveTime, MILLISECONDS,
1945	>	new ArrayBlockingQueue<Runnable>(10));
1946	>	try (PoolCleaner cleaner = cleaner(p)) {
1947	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1948	>	p.allowCoreThreadTimeOut(true);
1949	>	p.execute(new CheckedRunnable() {
1950	>	public void realRun() {
1951	>	threadStarted.countDown();
1952	>	assertEquals(1, p.getPoolSize());
1953	>	}});
1954	>	await(threadStarted);
1955	>	delay(keepAliveTime);
1956	>	long startTime = System.nanoTime();
1957	>	while (p.getPoolSize() > 0
1958	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1959	>	Thread.yield();
1960	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1961	>	assertEquals(0, p.getPoolSize());
1962	>	}
1963	>	}
1964	>
1965	>	/**
1966	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1967	>	*/
1968	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1969	>	long keepAliveTime = timeoutMillis();
1970	>	final ThreadPoolExecutor p =
1971	>	new ThreadPoolExecutor(2, 10,
1972	>	keepAliveTime, MILLISECONDS,
1973	>	new ArrayBlockingQueue<Runnable>(10));
1974	>	try (PoolCleaner cleaner = cleaner(p)) {
1975	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1976	>	p.allowCoreThreadTimeOut(false);
1977	>	p.execute(new CheckedRunnable() {
1978	>	public void realRun() throws InterruptedException {
1979	>	threadStarted.countDown();
1980	>	assertTrue(p.getPoolSize() >= 1);
1981	>	}});
1982	>	delay(2 * keepAliveTime);
1983	>	assertTrue(p.getPoolSize() >= 1);
1984	>	}
1985	>	}
1986	>
1987	>	/**
1988	>	* execute allows the same task to be submitted multiple times, even
1989	>	* if rejected
1990	>	*/
1991	>	public void testRejectedRecycledTask() throws InterruptedException {
1992	>	final int nTasks = 1000;
1993	>	final CountDownLatch done = new CountDownLatch(nTasks);
1994	>	final Runnable recycledTask = new Runnable() {
1995	>	public void run() {
1996	>	done.countDown();
1997	>	}};
1998	>	final ThreadPoolExecutor p =
1999	>	new ThreadPoolExecutor(1, 30,
2000	>	60, SECONDS,
2001	>	new ArrayBlockingQueue(30));
2002	>	try (PoolCleaner cleaner = cleaner(p)) {
2003	>	for (int i = 0; i < nTasks; ++i) {
2004	>	for (;;) {
2005	>	try {
2006	>	p.execute(recycledTask);
2007	>	break;
2008	>	}
2009	>	catch (RejectedExecutionException ignore) {}
2010	>	}
2011	>	}
2012	>	// enough time to run all tasks
2013	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2014	>	}
2015	>	}
2016	>
2017	>	/**
2018	>	* get(cancelled task) throws CancellationException
2019	>	*/
2020	>	public void testGet_cancelled() throws Exception {
2021	>	final ExecutorService e =
2022	>	new ThreadPoolExecutor(1, 1,
2023	>	LONG_DELAY_MS, MILLISECONDS,
2024	>	new LinkedBlockingQueue<Runnable>());
2025	>	try (PoolCleaner cleaner = cleaner(e)) {
2026	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2027	>	final CountDownLatch done = new CountDownLatch(1);
2028	>	final List<Future<?>> futures = new ArrayList<>();
2029	>	for (int i = 0; i < 2; i++) {
2030	>	Runnable r = new CheckedRunnable() { public void realRun()
2031	>	throws Throwable {
2032	>	blockerStarted.countDown();
2033	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2034	>	}};
2035	>	futures.add(e.submit(r));
2036	>	}
2037	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2038	>	for (Future<?> future : futures) future.cancel(false);
2039	>	for (Future<?> future : futures) {
2040	>	try {
2041	>	future.get();
2042	>	shouldThrow();
2043	>	} catch (CancellationException success) {}
2044	>	try {
2045	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2046	>	shouldThrow();
2047	>	} catch (CancellationException success) {}
2048	>	assertTrue(future.isCancelled());
2049	>	assertTrue(future.isDone());
2050	>	}
2051	>	done.countDown();
2052	>	}
2053	>	}
2054	>
2055		}

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